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When designing a Crystal Report that will use a SQL Server database as its data source, the report connection type must be OLE DB (ADO).
When designing a Crystal Report that will us a HANA database as its data source, the report connection type be ODBC (RDO). This document explains how to configure this type of connection for use with HANA. Two options are described in the document. Be sure to use the B1CRHPROXY32 option. Here is a sample connection string to use as a starting point.
DRIVER={B1CRHPROXY32};SERVERNODE=<YourServer>:30015;DATABASE=<YourDB>
Replace <YourServer> and <YourDB> (without the < > symbols) with the appropriate values.
Information about installing the needed driver is found Versago Installation/Upgrade